Installation With Butt Weld Spigots; Installation With Threaded Spigots; Installation With Threaded Sockets; Installation With Flanged Connection (Gemü 671) - GEM 671 Operating Instructions Manual

10.3 Installation with butt weld spigots

Fig. 1: Butt weld spigots
1. Carry out preparation for installation (see chapter "Prepar-
ing for installation").
2. Adhere to good welding practices!
3. Remove the actuator and diaphragm from the valve body.
4. Weld the body of the product in the piping.
5. Allow butt weld spigots to cool down.
6. Mount the actuator and diaphragm on the valve body.
7. Re-attach or reactivate all safety and protective devices.

10.4 Installation with threaded spigots

Fig. 2: Threaded spigots
Thread sealant
▶ The thread sealant is not included in the scope of deliv-
ery.
Only use appropriate thread sealant.
●
1. Keep thread sealant ready.
2. Carry out preparations for installation (see chapter "Pre-
paring for installation").
3. Screw the pipe into the threaded connection of the valve
body in accordance with valid standards.
ð Use appropriate thread sealant.
4. Re-attach or reactivate all safety and protective devices.

10.5 Installation with threaded sockets

Fig. 3: Threaded socket
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NOTICE
Sealing material
▶ The sealing material is not included in the scope of deliv-
ery.
Only use appropriate sealing material.
●
1. Keep thread sealant ready.
2. Carry out preparations for installation (see chapter "Pre-
paring for installation").
3. Screw the threaded connections into the pipe in accord-
ance with valid standards.
4. Screw the body of the product onto the piping using ap-
propriate thread sealant.
5. Re-attach or reactivate all safety and protective devices.
10.6 Installation with flanged connection (GEMÜ 671)
Fig. 4: Flanged connection
Sealing material
▶ The sealing material is not included in the scope of deliv-
ery.
Only use appropriate sealing material.
●
Connector elements
▶ The connector elements are not included in the scope of
delivery.
Only use connector elements made of approved materi-
●
als.
Observe permissible tightening torque of the bolts.
●
1. Keep sealing material ready.
2. Carry out preparations for installation (see chapter "Pre-
paring for installation").
3. Ensure clean, undamaged sealing surfaces on the connec-
tion flanges.
4. Align flanges carefully before installing them.
5. Clamp the product centrally between the piping with
flanges.
6. Centre the gaskets.
7. Connect the valve flange and the piping flange using ap-
propriate sealing materials and matching bolting.
8. Use all flange holes.
9. Tighten the bolts diagonally.
10. Re-attach or reactivate all safety and protective devices.
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10 Installation in piping
NOTICE
NOTICE
NOTICE
GEMÜ 611/671